<template>
    <div>
		<!-- 顶部滑动条区域
		     tap只有mui的组件可以用-->
		
    	<div id="slider" class="mui-slider">
			<div id="sliderSegmentedControl" class="mui-scroll-wrapper mui-slider-indicator mui-segmented-control mui-segmented-control-inverted">
				<div class="mui-scroll">
					<a class="mui-control-item mui-active" v-for="item in cates" :key="item.id" @tap="getPhotoListByCateId(item.cate_id)">
						{{item.title}}
					</a>
					
				</div>
      		</div>
   		</div>

		<!-- 图片列表区域 -->
		<ul class="photo-list">
			<router-link v-for="item in list" :key="item.id" :to="'/home/photoinfo/'+item.id" tag="li">
				<img v-lazy="item.img_url">
				<div class="info">
					<h1 class="info-title">{{item.title}}</h1>
					<div class="info-body">{{item.zhaiyao}}</div>
				</div>
			</router-link>
		</ul>



    </div>
</template>

<script>
import mui from '../../lib/mui/js/mui.min.js';

export default {
	data(){
		return{
			cates:[],//所有分类的列表数组
			list:[] ,//图片列表的数组
			cate_id:"0"
		};
	},
	created(){
		this.getAllCategory();
		this.getPhotoListByCateId();

	},
	mounted(){
			mui(".mui-scroll-wrapper").scroll({
			deceleration: 0.0005 //flick 减速系数，系数越大，滚动速度越慢，滚动距离越小，默认值0.0006
		});
	},
	methods:{
		getAllCategory(){
			this.$http.get("imageinfo").then(result =>{
				if(result.body.flag==true){
					result.body.data.unshift({title:"全部",id:0});
					this.cates=result.body.data;
				}
			});
		},

		getPhotoListByCateId(id){
			this.$http.post("imageinfo/search",{cate_id:id}).then(result => {
				if(result.body.flag==true){
					this.list=result.body.data;
					console.log(id);
				}
			});
		}

	}
    
};
</script>

<style lang="scss" scoped>
	* {
	touch-action: pan-y;
	}

	.photo-list {
	list-style: none;
	margin: 0;
	padding: 10px;
	padding-bottom: 0;
	li {
		background-color: #ccc;
		text-align: center;
		margin-bottom: 10px;
		box-shadow: 0 0 9px #999;
		position: relative;
		img {
		width: 100%;
		vertical-align: middle;
		}
		img[lazy="loading"] {
		width: 40px;
		height: 300px;
		margin: auto;
		}

		.info {
		color: white;
		text-align: left;
		position: absolute;
		bottom: 0;
		background-color: rgba(0, 0, 0, 0.4);
		max-height: 84px;
		.info-title {
			font-size: 14px;
		}
		.info-body {
			font-size: 13px;
		}
		}
	}
	}


</style>


